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Diarrhoea is an uncommon side effect of vitamin B12 supplementation, listed as a rare adverse reaction in UK product information for both oral and injectable preparations

The pathway governs cytoskeletal reorganization, anchoring repair cells to damaged tissue

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Blood levels and urinary excretion of vitamin B12 in man after a single parenteral dose of aqueous hydroxocobalamin, aqueous cyanocobalamin and cyanocobalamin zinctannate complex

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Astaxanthin: Sources, extraction, stability, biological activities and its commercial applications - A review